Finding the Fourth Proportional to 127,528,051,257.84, 191,292,791,949.97 and 42,537,612,515.23
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Solution
The fourth proportional to 127,528,051,257.84, 191,292,791,949.97 and 42,537,612,515.23 is: 63,806,657,285.72
Step by Step Solution
- Step 1: Write the proportion equation
127,528,051,257.84 : 191,292,791,949.97 = 42,537,612,515.23 : x - Step 2: Convert to fraction form
127,528,051,257.84/191,292,791,949.97 = 42,537,612,515.23/x - Step 3: Cross multiply
127,528,051,257.84x = 191,292,791,949.97 × 42,537,612,515.23 - Step 4: Simplify right side
127,528,051,257.84x = 8,137,138,660,924,333,228,032 - Step 5: Solve for x
x = 8,137,138,660,924,333,228,032/127,528,051,257.84 - Step 6: Final answer
x = 63,806,657,285.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.